227915101 has 2 divisors, whose sum is σ = 227915102. Its totient is φ = 227915100.

The previous prime is 227915081. The next prime is 227915111. The reversal of 227915101 is 101519722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216531225 + 11383876 = 14715^2 + 3374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227915101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227915101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227915111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113957550 + 113957551.

It is an arithmetic number, because the mean of its divisors is an integer number (113957551).

Almost surely, 2^227915101 is an apocalyptic number.

It is an amenable number.

227915101 is a deficient number, since it is larger than the sum of its proper divisors (1).

227915101 is an equidigital number, since it uses as much as digits as its factorization.

227915101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 227915101 is about 15096.8573219727. The cubic root of 227915101 is about 610.8356378613.

The spelling of 227915101 in words is "two hundred twenty-seven million, nine hundred fifteen thousand, one hundred one".